Assessment #1: BLUEPRINTS FOR LIFE: DNA Structure and Function

Multiple Choice

Adenine bonds or partners with ______________.

• Guanine

• Thymine

• Cytosine

• Adenine

Multiple Choice

What does DNA stand for?

• Deoxyribonacent Acid

• Dextroribonucleic Acid

• Deoxyribonucleic Acid

• Dinitrogen Acid

Multiple Choice

In which organelle or part of the cell is DNA usually found in?

• cell membrane

• vacuole

• chloroplast

• nucleus

Multiple Choice

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids

• nucleotides

• fatty acids

• polysaccharides

Multiple Choice

The drawing shows the structure of what molecule?

• A DNA molecule

• A lipid molecule

• A carbohydrate molecule

• A protein molecule

Multiple Choice

Which sequence of DNA bases would pair with this partial strand ATG TGA CAG?

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

• CAT TCA CTG

Multiple Choice

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

Multiple Choice

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of_________.

• cytosine

• guanine

• thymine

• uracil

Multiple Choice

Name this structure

• double helix

• nucelotide

• twisted ladder

• hydrogen bond

Multiple Choice

Why is DNA important?

• it is very small and very complicated

• it's in everything

• it serves as the blueprint for traits of all living things

• because we eat it every day for energy

Multiple Choice

Name the YELLOW is structure

• phosphate group

• pentose sugar

• double helix

• hydrogen bond

• nitrogen base

Multiple Choice

The pink, yellow, green, and blue "steps" in the DNA ladder represent

• Nitrogen Bases

• Phosphate group

• Sugar-Phosphate Backbone

• Nucleotides

Multiple Choice

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication

• Translation

• Transcription

Multiple Choice

Which statement best describes a gene?

• A bundle (like a hot dog bun) that the DNA is packed into

• something inside the nucleus

• a piece of DNA

• all of your DNA

Multiple Choice

Replicate the following strand of DNA or which sequence of nitrogen bases fits to this given piece of DNA ? :  AATCATGGA

• AATCATGGA

• TTAGTACCT

• UUAGUACCU

• GGATAUCUA

Multiple Choice

The red and blue ribbons represent the __________.

• Nitrogen Bases

• Phosphate group

• Sugar-Phosphate Backbone

• Nucleotides

Multiple Choice

Name the PURPLE in the structure or diagram.

• phosphate group

• pentose sugar

• double helix

• hydrogen bond

• nitrogen base

Multiple Choice

Differences in traits such as hair texture are determined by differences in ___________.

• the location of sugar groups in DNA

• the sequence of nucleotides in DNA

• the number of nitrogenous bases in DNA

• the molecules attached to the phosphate in DNA

Multiple Choice

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases

• the order (sequence) of the nitrogen bases

• the color of the nitrogen bases

• the frequency (number) of nitrogen bases

Multiple Choice

The arrow in the diagram of the DNA model indicate or shows the ______________.

• bond between adjacent phosphate and deoxyribose molecules

• junction of introns and exons in the sense strand of DNA

• hydrogen bond between complementary nucleotide

• the junction of a codon and a DNA

Multiple Choice

How is information for a certain protein carried on the DNA?

• As a sequence of nucleotides

• In the double-helix shape of the condensed chromosome

• In the ratio of adenines to thymines

• As a pattern of phosphates and sugars

Multiple Choice

What is the name of the sugar found in DNA?

• Deoxyribose

• Oxyclean

• Glucose

• Ribose

Multiple Choice

What does it mean to say DNA replication is "semi-conservative?"

• A new strand is built from an original strand

• A new strand is built from nothing

Multiple Choice

Which statement is true, based on the picture below?

• The model is inaccurate because the base pairs are incorrect

• The model is accurate because it contains correctly paired bases.

• The model accurate because it shows each splitting to form a double helix

• The model is inaccurate because some typical bases in DNA are missing

Multiple Choice

The purpose of this replication process is to __________

• make protein for transport

• make sugar for cell

• make a new copy of DNA from an existing strand of DNA

• make a new DNA from RNA

Multiple Choice

Why is it important that when DNA is copied, it makes an exact copy?

• If not, then there will be different instructions passed on to the new cell

• It's not important

• It's not important because the cell will just figure it out

Multiple Choice

Because of the complementary base pairing, the shape of DNA is __________.

• single helix

• double helix

• triple helix

• double spiral

Multiple Choice

The sequence of bases in the DNA is most important for which of the following?

• Providing the instructions for the traits of an organism

• Preventing mutations from occurring during DNA replication

• Allowing the DNA to have the shape necessary for the replication

• Helping form the sugar-phosphate backbone of DNA molecules